Home / 16,934.52-23,369.84-9,381

Finding the Fourth Proportional to 16,934.52, 23,369.84 and 9,381

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Solution

The fourth proportional to 16,934.52, 23,369.84 and 9,381 is: 12,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.52 : 23,369.84 = 9,381 : x
  2. Step 2: Convert to fraction form
    16,934.52/23,369.84 = 9,381/x
  3. Step 3: Cross multiply
    16,934.52x = 23,369.84 × 9,381
  4. Step 4: Simplify right side
    16,934.52x = 219,232,469.04
  5. Step 5: Solve for x
    x = 219,232,469.04/16,934.52
  6. Step 6: Final answer
    x = 12,945.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.